Watch Brass Screw Dimensions: 5x4mm Millimeter (Mm)

UNION ENERGY HongKong Industries Ltd. (UNION ENERGY) has accumulated 40 years professional experience in OEM/ODM production and handling export sale of watch parts, especially watch spring bars, metal parts, micro screws, pogo pins and watch repairing tools. UNION ENERGY has its own factory in Dongguan China on premises of over 20,000 square meters. UNION ENERGY is dedicated to operating the entire manufacturing process in a one-stop manner, from purchase of raw materials, tooling, production, assembly, to quality control and packaging, so that every procedure is subject to its stringent quality control and lead time. UNION ENERGY has a professional R&D team who can provide centralized technical support, knowledge and services to all customers on all fronts. Furthermore, equipped with advanced production facilities of which the capacity can be flexibly optimized to meet tight production schedules, UNION ENERGY produce more than 1,000 product items in different categories to fulfill the diverse needs of its customers. It is the core belief of UNION ENERGY that by offering cost-competitive products it will stand out from its competitors. For the past 40 years, UNION ENERGY has continuously offered to its customers products of an impeccable quality and services of the highest standard, and earned the trust of its customers and become one of the most well-known brands in the watch industry.